Businesses succeed with email marketing. They earn $36 to $40 for every $1 spent. Retail sees even higher returns at $45 per dollar. Personalized emails boost open rates to 29% and click-through rates to 41%.
Email stays powerful. It outperforms other channels. In 2025, 4.59 billion people use email worldwide.
This number grows from 4.48 billion in 2024. Experts project it reaches 4.85 billion by 2027. People send and receive over 376 billion emails daily. Gmail serves 1.8 billion users. Almost everyone checks their inbox daily. Some check up to 20 times.
You want to learn about email marketing. You aim to use it for your business. This article helps. It combines key statistics from reliable sources. It adds fresh insights from Quora and Reddit discussions in 2025.
Users there ask about AI’s impact and if email still works. We answer those. Read on. Discover facts. Learn strategies. Apply them to grow your audience, sales, and retention.
Quick Glance at Email Marketing Statistics 2025
Email marketing drives results. Here are top facts:
- 4.59 billion global email users in 2025.
- Campaigns deliver 3600% ROI on average.
- 80% of marketers prefer email over social media.
- 99% of users check email every day.
- 59% of consumers buy due to marketing emails.
- 79% of B2B marketers pick email for content distribution.
- Small businesses use email for 81% of customer acquisition and 80% for retention.
- Email acquires customers 40 times better than Facebook and Twitter combined.
These stats show email’s power. Use them. Build your list. Send targeted messages. Watch your business grow.
Source: Statista
How Many People Use Email in 2025?
Email connects billions of people worldwide. In 2025, 4.59 billion individuals use email, up from 4.48 billion in 2024. This growth continues, with projections estimating 4.85 billion users by 2027.
Some sources even predict 4.6 billion users for 2025. This matters because a larger user base creates more opportunities. Businesses can target global audiences and expand their reach effectively.
| Year | Number of Email Users Worldwide |
| 2023 | 4.37 billion |
| 2024 | 4.48 billion |
| 2025 | 4.59 billion |
| 2026 | 4.73 billion |
| 2027 | 4.85 billion |
Apply this: Start email campaigns now. Collect addresses through sign-ups. Offer free guides. Grow your list as user numbers climb.
General Email Marketing Stats for 2025
Marketers depend on email as a key tool, with 31% using it as their primary channel. They segment subscribers by interests, and 78% say this works best for sending relevant content.
They also prioritize message personalization, with 72% rating it highly effective, and email automation, which 71% find successful.
Marketers send emails at optimal times, targeting 9 AM to 12 PM or 12 PM to 3 PM on Tuesdays, Wednesdays, or Thursdays for the best results. Frequency varies: 22% send 2-3 emails daily, 21% send one daily, and 12% send weekly.
Automated emails excel in 2025, boosting open rates by 52%, click rates by 332%, and conversions by 2361% compared to regular emails.
To succeed, segment your list, use tools like Mailchimp, automate welcome series, test send times, track performance, and adjust to improve engagement.
Email Marketing ROI Facts
Email marketing delivers strong results. Spend $1 and earn $36, with some reaching $40. Retail sees $45 per dollar. Email outperforms social media 40 times for customer acquisition. In the US and UK, ROI averages 3600% to 3800%.
One in five companies achieves 7000% ROI. Over half of marketers report a 100% ROI increase. Email works because it’s low-cost, reaches many people, and lands directly in inboxes.
To succeed, calculate your ROI, track spending and sales, focus on personalization, and scale successful tactics.
Email Engagement Statistics
Engagement fuels email success. The average open rate across industries is 21.33%. Government emails open at 28.77%, while marketing emails hit 17.38%.
Good open rates range from 17% to 28%, but some industries reach 39.64%. Bounce rates average 2%. Click-through rates average 1.40%, with faith-based emails at 2.46%. Adding videos boosts clicks by 300%.
B2C conversions hit 2.8%, and B2B reach 2.4%. Email converts at 4.24%, better than search at 2.49%. Craft catchy subject lines, use videos, track opens and clicks, run A/B tests, and improve campaigns over time.
Personalized Email Marketing Statistics
Personalization drives results. Personalized emails achieve 29% open rates and 41% click-through rates. They generate 27% more unique clicks and 11% more opens. Transactional emails increase sixfold with personalization.
Dynamic content leads for 65% of marketers, delivering a 122% ROI.
Without personalization, 52% of customers shop elsewhere. Targeted emails produce 58% of revenue. Seventy-five percent of marketers say personalization boosts clicks.
Reddit users note AI improves personalization, while generic emails fail in 2025 due to AI saturation. Use names in subject lines, recommend products based on past purchases, segment by behavior, and leverage tools like Klaviyo.
Email Usage Statistics
Emails move quickly. Over 3.13 million emails are sent per second, totaling 376.4 billion daily in 2025, with a 4.3% yearly increase. Ninety-nine percent of people check email daily, some up to 20 times. They spend 10 seconds on brand emails, and 58% check email before social media or news. Heavy users spend 8.8 hours weekly on email.
Professionals check 15 times daily. Gmail leads with 1.8 billion users, and the average account holds 17,000 messages. People have 1.75 accounts on average, receiving 121 emails daily.
Remote workers get 170 business emails weekly. Eighty-six percent use multiple accounts. Quora reports 93% of people use email daily. Send concise emails, time them for mornings, and build trust to stand out.
Email Usage by Device
Mobile dominates email use. Forty-seven percent check emails via mobile apps, while 26.9% use desktops. Eighty-one percent open or respond on smartphones. There are 1.7 billion mobile email users compared to 0.9 billion on desktop.
Three in five check emails on the go. Users delete 42.3% of non-mobile-optimized emails. Responsive designs boost mobile clicks by 15%. Thirty-five percent of professionals respond on phones.
Design emails for mobile with short subject lines and big buttons, test across devices, and increase engagement.
Usage of AI in Email Marketing
AI revolutionizes email marketing. Fifty-one percent say AI makes campaigns more effective. Forty-three percent use generative AI to create emails, and 95% find it effective.
Large companies with over 500 employees use AI 57% of the time. AI personalization increases revenue by 41% and click-through rates by 13.44%.
Forty-seven percent use AI for retargeting. Reddit users in 2025 note AI floods inboxes, but quality stands out. Email remains profitable.
Quora highlights AI’s role in targeting. Fifty-eight percent of professionals prefer AI for email over other channels. Use AI tools like ChatGPT for subject lines, automate with HubSpot, personalize at scale, and ensure a human review.
Source: HubSpot
B2B Email Marketing Statistics
B2B relies heavily on email. Eighty-one percent use newsletters as their primary tool, and 77% include email in their content strategy.
Open rates average 15.14%, with click-through rates at 3.18% and click-to-open rates at 21%.
B2B outperforms B2C by 23% in click-to-open rates. Email generates 59% of revenue and delivers 93% of content. Sixty-four percent use dynamic content, and 31% nurture leads best with newsletters.
Stripo reports 97% of B2B emails include interactive elements like polls. Send newsletters, nurture leads, use dynamic content, and track revenue.
B2C Email Marketing Statistics
B2C email marketing excels. Seventy-two percent use software for distribution, and 50% of customers buy monthly from emails. Eighty-seven percent automate campaigns.
Welcome emails achieve 68.6% open rates, with four times more opens and ten times more clicks than average. The average open rate is 19.7%.
Personalized subject lines boost opens by 50%. Ninety-one percent want promotional emails, and 34% are more likely to buy. Emails influence 59% of purchases, and 60% complete carts after reminders.
Eighty percent say email retains customers, and 42.3% subscribe for discounts. One in three customers buy from emails. Reddit notes DTC brands see $42 ROI per $1 spent. Send welcome emails, automate cart recovery, offer deals, and retain customers.
Source: Mailchimp
Email Marketing for Small Businesses
Small businesses thrive with email marketing. Sixty-four percent use it, 81% acquire customers, and 80% retain them. Email generates 89% of leads. Automation increases qualified leads by 451%. Start with simple campaigns, build email lists, automate processes, and focus on customer retention.
Email Marketing Revenue Projections
Email marketing revenue grows steadily. It reached $12.33 billion in 2024, up from $7.5 billion in 2020, with a 13.3% compound annual growth rate. By 2027, it will hit $17.9 billion. Invest in email marketing to drive growth and revenue.
Some updates: Over $9.5 billion in 2024.
| Year | Email Marketing Revenue |
| 2020 | $7.5 billion |
| 2021 | $8.49 billion |
| 2022 | $9.62 billion |
| 2023 | $10.89 billion |
| 2024 | $12.33 billion |
| 2025 | $13.69 billion |
| 2026 | $15.81 billion |
| 2027 | $17.9 billion |
Market expands. Invest now.
Latest Insights from Quora and Reddit on Email Marketing Statistics 2025
Users want fresh insights on email marketing. On Reddit, people ask, “Is email marketing dead in 2025?” The answer is no. It remains the most profitable channel.
AI transforms it, but generic emails fail. You must focus on value. Another Reddit thread says cold emails need 2-5% reply rates to succeed. Users share stats: email delivers $42 ROI per $1 spent, reaches 4.4 billion users, and 60% of businesses prefer it.
Quora discusses eCommerce stats, noting 60% of users like weekly promos and 38% want more. AI makes emails more effective. These community views show email marketing thrives. Adapt to AI and offer rewards to succeed.
How to Leverage Email Marketing Statistics 2025 for Your Benefit
You know the stats. Now take action. Grow your email list, with 4.59 billion users, by offering incentives like free ebooks or discounts. Focus on quality subscribers. Segment and personalize emails to increase opens by 29%.
Use data to group customers by purchases and send tailored offers with tools like Constant Contact. Automate to save time. Welcome series emails open at 68.6%, and cart abandonment triggers recover 60% of lost sales. Use AI to create content quickly and personalize, boosting revenue by 41%.
Optimize for mobile, as 81% use phones, and responsive designs increase clicks by 15%. Test send times, with mid-morning Tuesdays working best.
Add videos and interactive elements to boost clicks by 300%, as 97% of marketers do. For B2B, nurture leads with newsletters, as 31% find them most effective. For B2C, focus on promos, as 91% of users want them.
Small businesses acquire 81% of customers and retain 80% with email, so start with free trials. Track ROI, aiming for $36 or more, using analytics.
Forums warn against generic emails, recommend smart AI use, and suggest rewarding loyalty. For example, an eCommerce store can send personalized abandoned cart emails to recover 60% of sales and offer weekly deals, as 38% of users want more.
Implement step-by-step: start small, scale up, measure results, and adjust. Email marketing evolves in 2025 with AI integration. Users demand consistency, and rewards drive success. Stats prove its value.
FAQs About Email Marketing Statistics
1. How many people use email in 2025?
Over 4.6 billion people use email worldwide in 2025. This number grows steadily, with projections reaching 4.85 billion by 2027.
2. How much money does email marketing make for businesses?
Email marketing delivers an average return of $36 to $42 for every $1 spent. Retail and e-commerce businesses see even higher returns, up to $45 per dollar.
3. How often do people check their emails?
Nearly 99% of email users check their inbox daily. About 58% check first thing in the morning, and some check up to 20 times a day.
4. How many emails are sent every day?
Over 376 billion emails are sent and received daily in 2025. This number is expected to hit 408 billion by 2027.
5. Do mobile devices matter for email marketing?
Yes, 59% of users check emails on smartphones. Emails not optimized for mobile get deleted by 50% of users, and mobile-friendly designs boost clicks by 15%.
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Conclusion: Make Email Work for You in 2025
Email marketing remains a powerful force, connecting with 4.59 billion users and generating 376 billion emails daily. It delivers an impressive 3600% return on investment, driven by personalization, automation, and AI.
Businesses achieve significant profits, and you can too by leveraging these statistics. Implement strategies like segmenting your audience, personalizing content, automating campaigns, and tracking performance.
Insights from Reddit and Quora confirm email marketing thrives when you adapt to AI, focus on delivering value, and steer clear of spam. Invest in email marketing to fuel growth. These aren’t just numbers—they’re your pathway to profit.